Pith Number

pith:EPOFLBYX

pith:2015:EPOFLBYXY4YUTEJECMBIEUXGKW

not attested not anchored not stored refs pending

A Two-Stage Fourth Order Time-Accurate Discretization for Lax-Wendroff Type Flow Solvers. I. Hyperbolic Conservation Laws

Jiequan Li, Zhifang Du

arxiv:1512.03664 v1 · 2015-12-11 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPOFLBYXY4YUTEJECMBIEUXGKW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:24:31.720938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23dc558717c73149912413028252e655828ee7a3d2cee0c6986c46861090ad2b

Aliases

arxiv: 1512.03664 · arxiv_version: 1512.03664v1 · doi: 10.48550/arxiv.1512.03664 · pith_short_12: EPOFLBYXY4YU · pith_short_16: EPOFLBYXY4YUTEJE · pith_short_8: EPOFLBYX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EPOFLBYXY4YUTEJECMBIEUXGKW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 23dc558717c73149912413028252e655828ee7a3d2cee0c6986c46861090ad2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f5dc607649e6c4072206dbc3aea9b4774e339f9517bd37c48d93970224f1d34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-11T14:47:06Z",
    "title_canon_sha256": "86be0bb1b61803f81dcea4b06de074a61ca20ac9114a5cd1a7a3fcf2eddfc6c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03664",
    "kind": "arxiv",
    "version": 1
  }
}